1.

Four condensers each of capacity \[4\mu F\] are connected as shown in figure. \[{{V}_{P}}-{{V}_{Q}}=15\,volts\]. The energy stored in the system is                          [CPMT 1976, 89]

A.                    \[2400\ ergs\]
B.                    \[1800\ ergs\]
C.            \[3600\ ergs\]
D.            \[5400\ ergs\]
Answer» C.            \[3600\ ergs\]


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